humayan khan was 27. from the podium, his father delivered a lecture to donald trump. >> crump you're asking americans to trust you with their future. let me ask you-- have you even constitution? ( cheers and applause ) i will-- i will gladly lend you-- my copy. ( cheers and applause ) >> pelley: well, as the democrats were showered with balloons at their convention, republican donald trump was unleashing a blizzard of criticism. major garrett reports that trump kept that going today. giving a speech that was so average. what a sad situation. it wasn't wonderful, folks. >> reporter: in colorado springs, a conservative enclave in a swing state, donald trump picked up the crowd's chant. >> lock her up! >> you know what? i'm starting to agree with you. i'll tell you. i'm taking the gloves off, right, yes! no more mr. nice guy. >> reporter: one target of trump's ire, who endorsed clinton and called trump a dangerous demagogue. >> i'm a new yorker. and i know a con when i see one. be. >> reporter: trump struck

trump's response to the khan family, gold star parents to soldier humayan khan. watch the whole interview. i met up with donald trump. he gain his interview with the ratings win. let's talk about the democratic convention. you won the ratings war in the last night. >> by millions, george, by million. >> a couple million, it's true. >> three. >> hillary clinton's speech, direct mentions of your name. 78 references. very tough. including this one hit on your temperament. >> a man you can bait with a tweet is not a man we can trust with nuclear weapons. >> she quoted jackie kennedy suggesting you're a little man moved by fear and pride. >> she's a very dishonest person. i have one of the great temperaments.

his son, captain humayan khan, was killed serving in iraq. he had some very tough questions for you. >> have you read the united states constitution? i will gladly lend you my copy. you have sacrificed nothing. and no one! >> he said you wouldn't have let his son in america. >> he doesn't know. he doesn't know that. i saw him. he was, you know, very emotional. and probably looked like -- a nice guy to me. his wife, if you look at his wife, she was standing there. she had nothing to say. she probably -- maybe she wasn't allowed to have anything to say. you tell me. plenty of people have written that. she was extremely quiet. and looked like she had nothing to say. a lot of people have said that. and personally, i watched him. i wish him the best of luck. >> what would you say to that father? >> i would say, we have had a lot of problems with radical islamic terrorism. we have a lot of problems. where, you look at san bernardino, orlando, the world trade center, so many different things. you look at what happened to the priest over the weekend